69 Moby Thesaurus words for "shakes": ague, all-overs, blue Johnnies, blue devils, bumpiness, chattering, chorea, cold shivers, cold sweat, didder, disquiet, disquietude, dithers, fidgetiness, fidgets, fits and starts, flutter, heaving, heebie-jeebies, inquietude, jactation, jactitation, jerkiness, jimjams, jitters, joltiness, jumps, palpitation, palsy, panting, pink elephants, pink spiders, pitapat, pitter-patter, quaking, quaver, quavering, quiver, quivering, quivers, restlessness, shaking, shiver, shivering, shivers, shudder, shuddering, snakes, spasms, succussion, sweat, the beezie-weezies, the heebie-jeebies, the jimjams, the screaming meemies, the shakes, throb, throbbing, tremble, trembles, trembling, tremor, tremulousness, trepidation, trepidity, twitter, unrest, vibration, willies

Source: Moby Thesaurus II by Grady Ward, 1.0